Serial Communication, unable to connect, failed signal converter.

Potential Symptoms

  • Unable to communicate with the display.
  • Loopback fails through signal converter, however loopback test passes through serial cable.


  • Product Family: Message Displays
  • Product: Galaxy, AF-3010, AF-3020, AF-3050, AF-3060, AF-3080, AF-3090, AF-3150, AF-3160, AF-3165, AF-3180, AF-3190, AF-3197, AF-3200, AF-3220, AF-3400
  • Component: Serial Radios
  • Control System: Venus 1500 V3 or V4


  • Failed signal converter.


  • Replace signal converter.

KB ID: DD3511863

Fill out my online form.
DISCLAIMER: Use of this content may void the equipment warranty, please read this DISCLAIMER prior to performing any service of the equipment.